Event: Tonbridge Qualifier

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Opponent Rating Result
Avaan Choudhury 0 1 - 0
Tom Heard 1639 0 - 1
Justin Leung 1387 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1142 = (3026 + 400 * (2 - 1)) / 3)

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